these 4 derivations will be built:
  /nix/store/38lwvvsi14hpdjjzwx91axbjs4gakinv-home-manager-files.drv
  /nix/store/cnrf91fds0h069zxp582s8lj21jldnsd-hm-putter.json.drv
  /nix/store/mzdbi399kvb8vp3g9wf2sanrqlx2bj25-home-manager-agents.drv
  /nix/store/rb1dsx47g2b32s4qgfwv9hfgii6kdbyb-home-manager-generation.drv